Q. Metal present in tears of eye is:

A
Iron
B
Manganese
C
Zinc
D
Sulphur
Solution:

The basic components of tears are:

  1. Water.
  2. Electrolytes. These are what give tears their salty taste.
  3. Proteins (lysozyme, lactoferrin, lipocalin, and IgA). The tears have only about one-tenth of the protein of the blood plasma.
  4. Lipids.
  5. Mucins.
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